body {
  font: 1em, Verdana, Geneva, Arial, Helvetica, sans-serif;
  background-color: #FFFFFF;
}
h1 {
  text-decoration: underline;
}
.box {
  background-color: #ccffcc;
  border: 1px solid #00ff00;
  width: 75%;
}
  
.code {
  margin-left: 20px;
  margin-right: 20px;
}
/*function names.  used f for less typing around single words affected*/
.f {
  font-weight: bold;
}

#myheader {
  background-color: #c9c3ed;
  text-align: center;
  font-size: 2em;
}
a:link, a:visited {
  background-color: #ffffff;
  text-decoration: none;
  color: #6A5ACD;
}
a:hover {
  background-color: #c9c3ed;
}
#mymenu {
  font-size: 1em;
  text-align: center;
}
img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
  margin-bottom: 10px;
}
